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DOM Levels

DOM Level 0: The original Netscape/IE functionalities
Not a W3C Recommendation, but was used as a basis
DOM Level 1: (latest edition September 2000)
Fundamental DOM objects

(not fully backward compatible with Level 0!)

DOM Level 2: (November 2000)
Access to stylesheets, handling namespaces;

also includes an event model

DOM Level 3: (In preparation)
Handling XML schemas (including on-the-fly validation),

XPath-based selections

Ivan Herman, W3C Head of Offices16 July, 200213 (27)